/Engine/Source/Runtime/Engine/Public/Net/VoiceConfig.h
These functions retrieve a pointer to a VOIPTalker associated with a specific player, if there is one available.
static [UVOIPTalker](API\Runtime\Engine\Net\UVOIPTalker) * GetVOIPTalkerForPlayer ( const [FUniqueNetIdWrapper](API\Runtime\CoreOnline\Online\FUniqueNetIdWrapper) & InUniqueId, [FVoiceSettings](API\Runtime\Engine\Net\FVoiceSettings) & OutSettings, [UWorld](API\Runtime\Engine\Engine\UWorld) * InWorld, [APlayerState](API\Runtime\Engine\GameFramework\APlayerState) ** OutPlayerState )